Answer:
u=1
Step-by-step explanation:
6x2u+12+7u+3=6u+30-2u=19u+15=4u+30=19u=4u+15
[tex]6(2u +2)+ 7u+3 = 6(u+5) -2u\\\\\implies 12u +12 +7u+3 = 6u+30-2u\\\\\implies 19u +15 = 4u +30\\\\\implies 19u -4u = 30 -15\\\\\implies 15u = 15\\\\\implies u =\dfrac{15}{15} =1[/tex]
